<template>
  <div class="swiper-container" ref="mySwiper">
                        <div class="swiper-wrapper">
                            <div class="swiper-slide" v-for="(item,index) in bannerList" :key="item.id">
                                <img :src="item.imgUrl" />
                            </div>
                        </div>
                        <!-- 如果需要分页器 -->
                        <div class="swiper-pagination"></div>

                        <!-- 如果需要导航按钮 -->
                        <div class="swiper-button-prev"></div>
                        <div class="swiper-button-next"></div>
    </div>
</template>

<script>
import Swiper from 'swiper'
export default {
    name:'Carsouel',
    props:['bannerList'],
     watch:{
        // 写在这里是为了实时的检测到数据的变化  所以使用watch  又因为v-for便利需要很多的时间所以需要用到$nextTick 等所有的便利执行完才会执行回调里面的内容
        bannerList:{
            immediate:true,
            handler(newValue,oldValue){
            this.$nextTick(()=>{
                new Swiper(this.$refs.mySwiper,{
                    loop: true, // 循环模式选项
    
                    // 如果需要分页器
                    pagination: {
                    el: '.swiper-pagination',
                    },
                    
                    // 如果需要前进后退按钮
                    navigation: {
                    nextEl: '.swiper-button-next',
                    prevEl: '.swiper-button-prev',
                    },
                    
                    // 如果需要滚动条
                    scrollbar: {
                    el: '.swiper-scrollbar',
                    },
                })
            })
        }
        
        }
    }

}
</script>

<style>

</style>